ass 2.1

from turtle import Turtle

tut=Turtle()
tut.getscreen().bgcolor('#cccccc')
tut.speed(3)

def draw_poly(t,x,y,sides,length,c,bg):
    t.pensize(5)
    t.penup()
    t.goto(x,y)
    t.color(c,bg)
    t.setheading(0)
    t.begin_fill()
    t.pendown()
    angle=360//sides
    for i in range(sides):
        t.forward(length)
        t.left(angle)
    t.end_fill()
    tut.hideturtle()

draw_poly(tut,0,0,3,100,'black','red')
draw_poly(tut,300,0,5,100,'black','yellow')
draw_poly(tut,-300,0,7,100,'black','blue')
draw_poly(tut,0,200,9,50,'black','white')
draw_poly(tut,0,-200,4,50,'black','green')